Video – Scale of Black Holes

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Black holes are vast, matter-annihilating objects that seem to defy physics by their very existence. They’re so weird, that when Albert Einstein’s equations first predicted the existence of these beasts, he didn’t believe they could actually be real.

And you can’t really blame him, because the idea that we have these singularities of space-time intent on sucking up all the matter around them scattered all around our cosmic backyard is pretty hard to wrap your head around.